A final exam in math 160 has a mean of 73 with a standard deviation of 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78. Did you have to assume anything about the original distribution? If so, what and why?
A final exam in math 160 has a mean of 73 with a standard deviation of 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78. Did you have to assume anything about the original distribution? If so, what and why?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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A final exam in math 160 has a mean of 73 with a standard deviation of 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78. Did you have to assume anything about the original distribution? If so, what and why?
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